127991619

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4649}}^1$

素因数の和:4704

約数の個数: 48

約数和(自身を含む): 232128000

約数和(自身を除く): 104136381

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 1197, 1311, 1449, 3059, 3933, 4649, 9177, 13947, 27531, 32543, 41841, 88331, 97629, 106927, 264993, 292887, 320781, 618317, 748489, 794979, 962343, 1854951, 2031613, 2245467, 5564853, 6094839, 6736401, 14221291, 18284517, 42663873, 127991619]

約数ペア:

[(1, 127991619), (3, 42663873), (7, 18284517), (9, 14221291), (19, 6736401), (21, 6094839), (23, 5564853), (57, 2245467), (63, 2031613), (69, 1854951), (133, 962343), (161, 794979), (171, 748489), (207, 618317), (399, 320781), (437, 292887), (483, 264993), (1197, 106927), (1311, 97629), (1449, 88331), (3059, 41841), (3933, 32543), (4649, 27531), (9177, 13947)]